Size:3/4 Inch Yost 3/4-Inch Pro Pipe Clamp Fixture features: wider and tallerstance, taller and wider jaws, built-in clamp stand, longer screw and built-inclamp hanger. Clamping jaws 1-1/2′ Tall. It sits 2-1/2-Inch above worksurfaces. Ideal for metalworking, woodworking and frame assembly. Forapplications that range from do-it-yourself to industrial production. Mountson any length 3/4-Inch black pipe with both ends threaded (pipe notfurnished). Iron castings are iron with Blue and black baked-enamel finish.The 5/8-Inch diameter steel hardened screw has a crank-type handle. Themultiple-disc-clutch assures flawless clamping pressure. Imported.